Home / 151,446.65-208,997.79-83,466.05

Finding the Fourth Proportional to 151,446.65, 208,997.79 and 83,466.05

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Solution

The fourth proportional to 151,446.65, 208,997.79 and 83,466.05 is: 115,183.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,446.65 : 208,997.79 = 83,466.05 : x
  2. Step 2: Convert to fraction form
    151,446.65/208,997.79 = 83,466.05/x
  3. Step 3: Cross multiply
    151,446.65x = 208,997.79 × 83,466.05
  4. Step 4: Simplify right side
    151,446.65x = 17,444,219,990.03
  5. Step 5: Solve for x
    x = 17,444,219,990.03/151,446.65
  6. Step 6: Final answer
    x = 115,183.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.